• Dampens out the oscillations of the coil spring
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies
• GM Genuine suspension parts match the GM vehicles original equipment in ride, handling and stopping distance
• GM Genuine suspension components are specifically designed and engineered to work together with the GM vehicle ABS braking and stability systems
• Go through hundreds of validation / durability tests that include mechanical, climatic, material, enclosure and electrical testing
• Tested to rigorous GM standards for, durability, performance, temperature cycling, corrosion and fatigue
• Aggressive environmental wear testing includes heavy loads, water, salt, bumpy and dirty roads
• Tested extensively in GM vehicle applications to specific engineering requirements
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors

• Three character codes that designate various features/options on your vehicle
• Listed on the Service Parts Identification sticker (typically located in the glove box compartment or near the spare tire), or found by scanning a QR code on 2018 and up GM vehicles (located at the bottom of the driver side door pillar)

If the part listing designates an RPO code, look on your Service Parts sticker or scan your QR code prior to ordering to verify the part is correct for your application.